Home / 1,038,611.25-1,433,287.85-561,683.25

Finding the Fourth Proportional to 1,038,611.25, 1,433,287.85 and 561,683.25

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Solution

The fourth proportional to 1,038,611.25, 1,433,287.85 and 561,683.25 is: 775,125.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,611.25 : 1,433,287.85 = 561,683.25 : x
  2. Step 2: Convert to fraction form
    1,038,611.25/1,433,287.85 = 561,683.25/x
  3. Step 3: Cross multiply
    1,038,611.25x = 1,433,287.85 × 561,683.25
  4. Step 4: Simplify right side
    1,038,611.25x = 805,053,774,965.10
  5. Step 5: Solve for x
    x = 805,053,774,965.10/1,038,611.25
  6. Step 6: Final answer
    x = 775,125.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.